Massac County RainfallUnited StatesILMassac County65%Metropolis 65% Chance 65%Brookport 65% Chance 65%Mermet Lake 65% Chance Big BayBoazBrookportCretaceous Hills Nature PreserveFort Massac State ParkHillermanJoppaMassac Forest Nature PreserveMermetMermet LakeMetropolisMetropolis Municipal AirportNew ColumbiaRound KnobSamothShady GroveUnionville